King and Pawn Endings: Final Stage

In the "Final Stage" (though not final video, as there is a bonus coming your way) we learn advanced triangulation, corresponding square techniques, defensive opposition "sacrifices", and why IM Rensch isn't very good at applying this knowledge himself! In a game against FM Kaminsky from the Canadian Open 2007, we witness the butchering of a King and Pawn Ending by two strong players, only to climax with an incredibly instructive and useful trick...